It's impossible to sink in the Dead Sea without equipment!
72
Two dogs were among the Titanic survivors.
262
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The Caspian Sea is also classed as the world's largest lake.
52
Jellyfish as a species are actually older than dinosaurs and sharks.
383
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
There was once an undersea post office in the Bahamas.
241